125b3c049e70834cf33790a28643ab058b507b35cBen Cheng/* Return specific DWARF attribute of a DIE.
225b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Copyright (C) 2003, 2005 Red Hat, Inc.
325b3c049e70834cf33790a28643ab058b507b35cBen Cheng   This file is part of Red Hat elfutils.
425b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Written by Ulrich Drepper <drepper@redhat.com>, 2003.
525b3c049e70834cf33790a28643ab058b507b35cBen Cheng
625b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Red Hat elfutils is free software; you can redistribute it and/or modify
725b3c049e70834cf33790a28643ab058b507b35cBen Cheng   it under the terms of the GNU General Public License as published by the
825b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Free Software Foundation; version 2 of the License.
925b3c049e70834cf33790a28643ab058b507b35cBen Cheng
1025b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Red Hat elfutils is distributed in the hope that it will be useful, but
1125b3c049e70834cf33790a28643ab058b507b35cBen Cheng   WITHOUT ANY WARRANTY; without even the implied warranty of
1225b3c049e70834cf33790a28643ab058b507b35cBen Cheng   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1325b3c049e70834cf33790a28643ab058b507b35cBen Cheng   General Public License for more details.
1425b3c049e70834cf33790a28643ab058b507b35cBen Cheng
1525b3c049e70834cf33790a28643ab058b507b35cBen Cheng   You should have received a copy of the GNU General Public License along
1625b3c049e70834cf33790a28643ab058b507b35cBen Cheng   with Red Hat elfutils; if not, write to the Free Software Foundation,
1725b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
1825b3c049e70834cf33790a28643ab058b507b35cBen Cheng
1925b3c049e70834cf33790a28643ab058b507b35cBen Cheng   In addition, as a special exception, Red Hat, Inc. gives You the
2025b3c049e70834cf33790a28643ab058b507b35cBen Cheng   additional right to link the code of Red Hat elfutils with code licensed
2125b3c049e70834cf33790a28643ab058b507b35cBen Cheng   under any Open Source Initiative certified open source license
2225b3c049e70834cf33790a28643ab058b507b35cBen Cheng   (http://www.opensource.org/licenses/index.php) which requires the
2325b3c049e70834cf33790a28643ab058b507b35cBen Cheng   distribution of source code with any binary distribution and to
2425b3c049e70834cf33790a28643ab058b507b35cBen Cheng   distribute linked combinations of the two.  Non-GPL Code permitted under
2525b3c049e70834cf33790a28643ab058b507b35cBen Cheng   this exception must only link to the code of Red Hat elfutils through
2625b3c049e70834cf33790a28643ab058b507b35cBen Cheng   those well defined interfaces identified in the file named EXCEPTION
2725b3c049e70834cf33790a28643ab058b507b35cBen Cheng   found in the source code files (the "Approved Interfaces").  The files
2825b3c049e70834cf33790a28643ab058b507b35cBen Cheng   of Non-GPL Code may instantiate templates or use macros or inline
2925b3c049e70834cf33790a28643ab058b507b35cBen Cheng   functions from the Approved Interfaces without causing the resulting
3025b3c049e70834cf33790a28643ab058b507b35cBen Cheng   work to be covered by the GNU General Public License.  Only Red Hat,
3125b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Inc. may make changes or additions to the list of Approved Interfaces.
3225b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Red Hat's grant of this exception is conditioned upon your not adding
3325b3c049e70834cf33790a28643ab058b507b35cBen Cheng   any new exceptions.  If you wish to add a new Approved Interface or
3425b3c049e70834cf33790a28643ab058b507b35cBen Cheng   exception, please contact Red Hat.  You must obey the GNU General Public
3525b3c049e70834cf33790a28643ab058b507b35cBen Cheng   License in all respects for all of the Red Hat elfutils code and other
3625b3c049e70834cf33790a28643ab058b507b35cBen Cheng   code used in conjunction with Red Hat elfutils except the Non-GPL Code
3725b3c049e70834cf33790a28643ab058b507b35cBen Cheng   covered by this exception.  If you modify this file, you may extend this
3825b3c049e70834cf33790a28643ab058b507b35cBen Cheng   exception to your version of the file, but you are not obligated to do
3925b3c049e70834cf33790a28643ab058b507b35cBen Cheng   so.  If you do not wish to provide this exception without modification,
4025b3c049e70834cf33790a28643ab058b507b35cBen Cheng   you must delete this exception statement from your version and license
4125b3c049e70834cf33790a28643ab058b507b35cBen Cheng   this file solely under the GPL without exception.
4225b3c049e70834cf33790a28643ab058b507b35cBen Cheng
4325b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Red Hat elfutils is an included package of the Open Invention Network.
4425b3c049e70834cf33790a28643ab058b507b35cBen Cheng   An included package of the Open Invention Network is a package for which
4525b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Open Invention Network licensees cross-license their patents.  No patent
4625b3c049e70834cf33790a28643ab058b507b35cBen Cheng   license is granted, either expressly or impliedly, by designation as an
4725b3c049e70834cf33790a28643ab058b507b35cBen Cheng   included package.  Should you wish to participate in the Open Invention
4825b3c049e70834cf33790a28643ab058b507b35cBen Cheng   Network licensing program, please visit www.openinventionnetwork.com
4925b3c049e70834cf33790a28643ab058b507b35cBen Cheng   <http://www.openinventionnetwork.com>.  */
5025b3c049e70834cf33790a28643ab058b507b35cBen Cheng
5125b3c049e70834cf33790a28643ab058b507b35cBen Cheng#ifdef HAVE_CONFIG_H
5225b3c049e70834cf33790a28643ab058b507b35cBen Cheng# include <config.h>
5325b3c049e70834cf33790a28643ab058b507b35cBen Cheng#endif
5425b3c049e70834cf33790a28643ab058b507b35cBen Cheng
5525b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include <dwarf.h>
5625b3c049e70834cf33790a28643ab058b507b35cBen Cheng#include "libdwP.h"
5725b3c049e70834cf33790a28643ab058b507b35cBen Cheng
5825b3c049e70834cf33790a28643ab058b507b35cBen Cheng
5925b3c049e70834cf33790a28643ab058b507b35cBen ChengDwarf_Attribute *
6025b3c049e70834cf33790a28643ab058b507b35cBen Chengdwarf_attr (die, search_name, result)
6125b3c049e70834cf33790a28643ab058b507b35cBen Cheng     Dwarf_Die *die;
6225b3c049e70834cf33790a28643ab058b507b35cBen Cheng     unsigned int search_name;
6325b3c049e70834cf33790a28643ab058b507b35cBen Cheng     Dwarf_Attribute *result;
6425b3c049e70834cf33790a28643ab058b507b35cBen Cheng{
6525b3c049e70834cf33790a28643ab058b507b35cBen Cheng  if (die == NULL)
6625b3c049e70834cf33790a28643ab058b507b35cBen Cheng    return NULL;
6725b3c049e70834cf33790a28643ab058b507b35cBen Cheng
6825b3c049e70834cf33790a28643ab058b507b35cBen Cheng  /* Search for the attribute with the given name.  */
6925b3c049e70834cf33790a28643ab058b507b35cBen Cheng  result->valp = __libdw_find_attr (die, search_name, &result->code,
7025b3c049e70834cf33790a28643ab058b507b35cBen Cheng				    &result->form);
7125b3c049e70834cf33790a28643ab058b507b35cBen Cheng  /* Always fill in the CU information.  */
7225b3c049e70834cf33790a28643ab058b507b35cBen Cheng  result->cu = die->cu;
7325b3c049e70834cf33790a28643ab058b507b35cBen Cheng
7425b3c049e70834cf33790a28643ab058b507b35cBen Cheng  return result->code == search_name ? result : NULL;
7525b3c049e70834cf33790a28643ab058b507b35cBen Cheng}
7625b3c049e70834cf33790a28643ab058b507b35cBen ChengINTDEF(dwarf_attr)
77